The Earth's Atmosphere

What water vapor does to become cloud droplets

• sublimate

• condense

• evaporate

What liquid water does to become water vapor

• sublimate

• condense

• evaporate

High, wispy clouds

• stratus clouds

• cirrus clouds

• cumulus clouds

Low, flat, gray clouds

• cirrus clouds

• stratus clouds

• cumulus clouds

Water that falls from the atmosphere

• precipitation

• evaporate

• sublimate

Pattern of wind movement around the earth

• altitude

• trade winds

• wind belt

Steady winds north and south of the equator

• polar easterlies

• trade winds

• breaking winds

Height above the earth's surface

• multitude

• altitude

• servitude

This layer of the atmosphere is important because it absorbs most of the harmful ultraviolet radiation from the sun

• troposphere

• ionosphere

• ozone layer

Rain clouds form when

• cumulus clouds are present

• water collects as heavy droplets in clouds

• sunlight hits the earth at an indirect angle